Humidifying apparatus.



A. R. JOYCE.

HUMIDIFYING APPARATUS.-

APPLICATION FILED JULY 5, 1913.

1,1 1 1,837, Patented Sept. 29, 1914.

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HUMIDIFYING APPARATUS.

APPLICATION FILED JULY 5, 1913.

Patented Sept. 29, 1914.

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VI-IUMIDIFYINGIAIJPPARAITITS, l

7 Application medium 5, 1913. Serial No. 717,573.

Specification of Patent. "Patented Sept.'29, 1914'.

To all whom it mag concern:

' Be it known that I, ARTHUR R. JOYCE, a citizen ofthe United States, residing at; New Fairfield county ofFairfield, State of Connecticut, have invented an Improvement in Humidifying Apparatus, of which the fol lowing is a specification.

Th's invention relates heating the hatching chamber, for ventilatingitand for humldifying-the air therein.

structure which will be hereinafter 'de scribed, and then specifically pO1I1ted0l1t"1I1 the-claim hereunto appended.

In the-accompanying drawing'sforming a: part of thisspecification, Fi ure 1-'1s a ver'-- tical longitudinal section o mynovel .1n--. cubator complete; Fig. 2' a detail plan view.v of the boiler, the circulation pipes'and' the humidifying pipe detached, andFIggS is a vertical section on an enlarged scale,'o'f the boiler andhumidifying chamber, the coiip cratin and partly in elevatlon.

f pipes being shown 'partl'y in-section 10. denotes the hatching chamber, 11 the boiler 12 hot water pipes leading from the top of the boiler and passing into the hatching chamber, 13 a single return pipe into which both of the hot water pipes lead and which--enters the boilennear the bottom thereof, 14 the hum-idifying chamber which surrounds 1 the boiler, and 15 a lamp for heating the water in the boiler. It is thus seen that the humidifying chamber 14 'comprises inner and outer spaced walls, forming a closed space therebetween. The boiler'is provided with a central hot air flue 16'which is of greatest diameter at the bottom and converges toward the top. Rigidly secured in the flueis a draft pipe 17 for the lamp. The upper end of'the draft'pipe' is adapted to be closed by ac'over plate 18 loosely suspended from a rod19 having atits opposite end an adjustable counterweight 21. The lever is fulcrumed, as at 20, in astandard which formsa portion of a thermostat indicated as a whole by 22, the portions of which'lying within and Without thehatching chamber are connected in the usual manner, so that when the temperature in the hatching chamberrises above a' predetermined maximum, the thermostat jwi ll .cause the lever to tilt and raise plate 18 awayi'from the top ofthe draft pipe, as shown infFig. 1. The draft will cause the flame of the to incubators andhasfor its object to provide novel means for contact: with the inclined wall of flue 16 in the bo ler, thereby causing the temperature of the water in the" boilerto' be lowered.

Should the temperature now fall below the pre-determ1ned minimum, the thermostat will again tilt the lever and lcauseplate '18 to drop downward' and close the draft pipe,

the effect, of-which isto cause the flame of thelamp to passoutside the'd'raft pipe and in lamp -topass through the pipe instead of in contact'with the inclined wall of flue 16 in the boiler and thus-raise the temperature of the water'in the boiler.

The'hot water pipes exte'nd in opposite directions after passing ,into'the hatching a chamber, then forward and then inward not far-from the-upper and sidewalls of the chamber; Both hot'water 'pipes lead into the return pipe-whichlies midway between the hot water pipes and asses outward through the wall of the charm er andthrou h the humidifying chamber and leads into t e boiler'near the; b'ott'om'the eof. i

=23den0tes an air pipe from the hot water pipes at their intersection with thereturn' pipe and outward through the wall of the hatching chamber. This pi e is provided with a cook 24 outside the hatc 'ing' chamber which is opened when the incubator is placed in o'pera-tion'to permit the air to be driven out from the pipes;

25 denotes an expansion tank from which a pipe 26 extends and-'connect'swith the re turn pipe. A cook '27 at the lower end of its contact with the draft pipe and when the draft pipe is clo'sed the water in this pipe will be heated by direct contact therewith of the fiameof the lamp with the flue. The object of this pipe is to secure a'circulation of water in the boiler by insuring that a portion of the cooler water that enters the boiler from the return pipe willbe heated to'a vhigher temperature in the cod than the water in the boiler itself, the current of more highly heated water entering the boiler near the top and causinga constant current of heated water to pass rapidly from the top of'the' boiler through the hot-water pipes.

An important feature of. the invention .is the means provided for humidifying the air in the hatchingchamber, i. e. not -only-.restoring to the air its natural moisture but supplying it withany. additional degree of moisture that may be desirable to facilitate the process ofhatching and wholly prevent the serious loss of chicks which is unavoid able, so farasfllaniaware, with any incubator that 'has'here'tofore been placed in u'se. This Iaccomplis'h by means of the humidi fyin chamber lying outside ofthe boiler and eated thereby. -Air isjsupplied to this chamber b means'ofa supply pipe 29 entering the ottom' of the chamber and passes therefrom through humidifyin'g pipe' 30 which leads from the top of the chamber into the hatching chamber, opens up ward cehtrallynear thetopflthereof, and is rovided" with a deflecting plate" 31, which causes the air to issue in a sheet. Within'the humidifying chamber and secured to the outer wall of the boileris a s iral vaporizing plate 32', inclined toward the boiler, uponwhich water drops from a suitable water-dropper indicated as awhole by 33. ThisWaterdropper may be of any ordinary orpreferred construction, for example likean'ordinary'oil" feed; In 'the' form illustrated in the drawings a peepglass 34 is rovided in order to show at all timeshow ast the water'is dropping,means,

else, knurled nut 35, isprovided to regulate the flow and alever 86 is provided which wholly shuts off the flow; The spiral plate is heated by the boiler and the water that drops thereon is turned into*contact with the boiler-so thatthe wateris quickly vaporized and eifectually-moistensthe air in the liumidifying ch'amber,- which passes by meansof the humidifying pipeto the hatching'chamber. In practice a'hydrometer maybe provided to measure the. degree of mois ture in the hatching} chamber, so that a unifo'rmvde ee of moisture maybe maintained at all tlmesah regulating the amount of 'waterlthat is alowed'todrop upon the spiral plate in the humidifying' chamber.

7 i The eggs=to be hatched are placed upon suitable carriers- 37 of less width than the:

hatching chamber'w-hich in order to facilitate the ventilation ofzthe hatching chamber are made of a layer-of wire netting, indicated by. 38, over whichis a layer of burlap,

or coarse'cloth -indicatedby-39. The chicks i after hatching dropover the edge of theegg carriers 'upona' permeable chick carrier 40 which is, preferably made like the egg as to temperature and moisture in the portion of the hatching chamber containing the egg carriersI'place the hot air pipes, the

"return pipe and the humidifying pipe in the upper portion of the chamber and below them I place an'air-screen 41 which may be made ofburlap or other coarse cloth, the effect of which is, while not appreciably checking the passage of'air, to cause it to be diffused uniformly as regards temperature and moisture throughout the portion of the hatching chamber containing the-cg carriers. Perfect ventilation is maintained by causing air to pass out from the hatching'chamber through openings 42 in the bottom 43. These openings are provided with cover plates 44 raised above them so as to prevent direct draft through the holes. In order to provide that the gases, which are given off when hatchingtakes place, may

be permitted to pass off morequickly than they would through the openings in-the bot.- tom I hinge-the bottom as at 45 so that'it maybedropped down to let the gases pass off quickly, while the chicks are guarded against exposure to the entrance of cold air by the burlap and wire netting-of the chick carrier.

Having claim:

The combination thus described my invention I with -a humidifying chamber comprising spaced inner and outer walls, providing a closed space therebetween, of a spiral vaporizing plate arranged within the closed space and vertically inclined in cross-section and; extending downwardly toward the inner wall to conduct water fed thereon upon theinner wall, means to supply water-into the closed space to the upper end of the spiral vaporizingplate, heating means arranged within the inner wall, air inlet means for the closed space, and air outlet means communicating 1 with the closed space and adapted to supply humidified air to a chamber, substantially asv described.

In testimony whereof I afiix my signature in presence of two witnesses. 1

ARTHUR R. JOYCE. WVitnesses: a I .f '1 j BELLE HUNGERFORD, FLORENCE A, Bmoos' totem-er this patent may be obtained for five cents each, by addressing the Commissioner orratents,

Washington, D. 0. 

